Blood processing filter



FIG. 1 is a perspective view of a blood processing filter showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical;

FIG. 3 is a right side elevational view thereof, the left side elevational view being identical;

FIG. 4 is a top plan view thereof, the bottom plan view being identical;

FIG. 5 is a cross-sectional view thereof, taken along line v--v of FIG. 2; and,

FIG. 6 is a front elevational view thereof in use condition, wherein the broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a blood processing filter, as shown and described. 